TB VA CTRL-XFRMR

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1 3804 South Street , TX Nacogdoches Phone: Fax: TB VA CTRL-XFRMR Acme Electric Catalog Number TB81322 Manufacturer Acme Electric Description Industrial Control Transformer, Primary Voltage 208/240/277/380/480 V; Secondary Voltage 24 V; 0/60 HZ; Power Rating 7 Va; Insulation Class 130; Temperature Rise 80 Deg C; 0.22 Inch L X 0. Inch W Slot Mounting Weight per unit.0 (lbs/each) Product Category Core & Coil Industrial Control Applicable Standard ANSI, NEMA, OSHA Approval UL, CSA Brand ACME ELECTRIC Commodity Description CORE & COIL INDUSTRIAL CONTROL TRANSFORMERS Frequency Rating 0/60 HZ Insulation Class 130 Long Description INDUSTRIAL CONTROL TRANSFORMER, PRIMARY VOLTAGE 208/240/277/3 V; SECONDARY VOLTAGE 24 V; 0/60 HZ; POWER RATING 7 VA; INSULATION CLASS 130; TEMPERATURE RISE 80 DEG C; 0.22 INCH L X 0. INCH W SLOT MOUNTING Manufacturers Part Number TB81322 Mounting 0.22 INCH L X 0. INCH W SLOT Power Rating 7 VA Power Rating in VA 7 Primary Voltage 208/240/277/380/480 V Product Type Control Transformer Secondary Voltage 24 V Size 3.7 INCH W X 4.31 INCH D X 3.4 INCH H Temperature Rise 80 DEG C

2 TA TB SERIES OPEN CORE & COIL INDUSTRIAL CONTROL TRANSFORMERS TB Series Open Core & Coil Industrial Control Transformers Acme s TB Series Industrial Control Transformers are especially designed to accommodate the momentary current inrush caused when electromagnetic components are energized... without sacrificing secondary voltage stability beyond practical limits. Acme s TB Series transformers are dry-type, step-down transformers with the secondary control circuit isolated from the primary line circuit to assure maximum safety. Voltage regulation of Acme s TB Series transformers exceeds standards recommended by the National Electrical Manufacturers Association. Secondary circuit voltage drop between no-load and momentary overload remains exceptionally low. This excellent secondary circuit voltage regulation assures reliable operation of electromagnetic components and may permit the use of a smaller and less expensive industrial control transformer. FEATURES & BENEFITS 600 volt class and below VA, 0/60 Hz. 80 C temperature rise, 130 C insulation class. Constructed with high quality silicon steel lamination to minimize core losses and increase efficiency. Designs incorporate precision split bobbin wound coils for improved regulation. Primary fuse blocks and secondary fuse kits available and easily adaptable. Series-parallel connecting links save wiring and labor costs. Terminal blocks allow full access for ring terminals for easy installation even with solid strand conductors. Integrally molded terminal blocks with isolation barriers to prevent arc over. Footprint matches TA Series for easy interchangeability. Copper windings on all groups. Heavy gauge steel mounting plate adapts to various mounting dimensions. Voltage regulation exceeds NEMA requirements. UL Listed and CSA Certified. Meets or exceeds UL, CSA, NEMA, ANSI and OSHA Standards. Ten-year limited warranty. APPLICATIONS Motor Starters Contactors Solenoids Timer Circuits Relays Control Panels Robotics 6 ACME ELECTRIC MILWAUKEE, WI acmetransformer.com

3 TB Series Primary Fuse Kits TA TB SERIES OPEN CORE & COIL INDUSTRIAL CONTROL TRANSFORMERS Type PL Through PL11270: Using 2 Class CC Dual Element Fuses (not supplied) Meets NEC Article 40 and UL-08 requirements. For use with class CC fuses. Eliminates remote mounting of primary overcurrent protection. Covered by Acme Electric 10-year limited warranty. Field installation is fast and easy. Simply loosen the mounting hardware (Fig. 1), slide the bracket over the transformer and re-tighten the mounting hardware. Make the proper connections with the factory furnished jumpers (Fig. 2) and your unit is ready for operation. Figure 1 Fuse Kit adds approximately 1.7 to height of unit. Figure 2 Primary Fuse Sizing Chart VA 120 V 208 V 230 V 240 V 277 V 380 V 416 V 440 V 460 V 480 V 0 V 600 V Secondary Fuse Sizing Chart VA 24 V 8 V 91 V 99 V 100 V 110 V 11 V 120 V 12 V 130 V 0 VA VA VA VA VA VA VA VA VA VA VA VA VA VA Fuse size based on time delay class CC fuses. NOTE: Bold lines indicate changes in the percent of rated current used to calculate fuse sizes in accordance with article 40 of the NEC. ACME ELECTRIC MILWAUKEE, WI acmetransformer.com 7

4 TA TB SERIES OPEN CORE & COIL INDUSTRIAL CONTROL TRANSFORMERS TB Series Secondary Fuse Kits Type PL79924, PL79930, & PL79931: Use Dual Element Slow-Blow Fuse Catalog Number VA Type PL /4" x 1-1/4" PL /32" x 1-1/2" PL /32" x 1-1/2" Secondary Fuse Kit Mount secondary fuse clips on terminals X1 and F or F1 using the screws supplied with the transformer. Connect secondary load lines to terminals X2 and F or F2. Use Jumper Link to connect F1 and F2. Use dual-element slow-blowing fuses such as Bussmann MFG., Fusetron Type FNM, Littelfuse or Ferraz Shawmut (not supplied with fuse kits). PL79924: Use fuse kit on all transformers except 70 & 1000 VA with 24 volt secondary. Instructions for TB Series Secondary Fuse Kit Type PL112603: use dual element slow-blow fuse 13/32" x 1-1/2" (1.0 x 3.8 cm) 1. To attach secondary fuse kit PL to primary fuse kits PL thru PL11270 snap the secondary single pole fuse block onto the unlabeled side of the primary double pole fuse block. (See Figure 1) 2. Install the fuse kits as instructed under the primary fuse kit instructions on page Select the appropriate pair of jumpers for making the connections between the secondary fuse block and the secondary (X-side) of the transformer. 4. Connect the female quick-connect of the jumpers supplied to one of the male quickconnects of the secondary fuse block one jumper to each end of the fuse block. (See Figure 2). Connect the ring terminal of the jumpers supplied to screw terminals X1 and F or F1 on the secondary (X-side) of the transformer. 6. Connect secondary load lines to terminals X2 and F or F2. Figure 2 Figure 1 8 ACME ELECTRIC MILWAUKEE, WI acmetransformer.com

5 TA & SERIES TB SERIES OPEN OPEN CORE CORE & COIL & COIL INDUSTRIAL CONTROL TRANSFORMERS SELECTION CHARTS GROUP A 120 X 240 PRIMARY VOLTS 12/24 SECONDARY VOLTS 1Ø, 0/60 Hz CATALOG VA OUTPUT APPROX. DIMENSIONS APPROX. PRIMARY SECONDARY NO. RATING AMPS Inches (Cm.) SHIP WEIGHT FUSE BLOCK FUSE SIZE A B C D E F Lbs. (Kg.) PART NO. 24 VOLTS TB x.0 4 PL / (10.7) (7.6) (6.8) (6.4) (.4) (0.6 x 1.3) (1.8) TB x.0 4 PL amps (12.0) (7.6) (6.8) (6.4) (6.6) (0.6 x 1.3) (1.8) TB x.0 4 PL / 4 amps (12.4) (7.6) (6.8) (6.4) (7.1) (0.6 x 1.3) (1.8) TB x.0 6 PL (12.1) (9.) (8.6) (8.0) (6.7) (0.6 x 1.3) (2.7) TB x.0 9 PL amps (12.9) (11.4) (9.8) (9.) (7.7) (0.6 x 1.3) (4.1) TB x.0 13 PL amps (1.) (11.4) (9.8) (9.) (10.3) (0.6 x 1.3) (.9) TB x.0 16 PL amps (1.0) (13.3) (11.4) (11.1) (10.6) (0.8 x 1.3) (7.3) TB x.0 24 PL (19.1) (13.3) (11.4) (11.1) (13.3) (0.8 x 1.3) (10.9) TB x.0 26 PL11270 (18.9) (17.1) (14.) (14.6) (9.7) (0.8 x 1.3) (11.8) GROUP B 240 X 480, 230 X 460, 220 X 440 PRIMARY VOLTS 120/11/110 SECONDARY VOLTS 1Ø, 0/60 Hz NO. RATING AMPS INCHES (CM.) SHIP WEIGHT FUSE BLOCK FUSE KIT FUSE 120V A B C D E F LBS. (KG.) PART NO. PART NO. 120 VOLTS TB x.0 4 PL (10.7) (7.6) (6.8) (6.4) (.4) (0.6 x 1.3) (1.8) TB x.0 4 PL (12.0) (7.6) (6.8) (6.4) (6.6) (0.6 x 1.3) (1.8) TB x.0 4 PL (12.4) (7.6) (6.8) (6.4) (7.1) (0.6 x 1.3) (1.8) TB x.0 6 PL (12.7) (9.) (8.6) (8.0) (7.1) (0.6 x 1.3) (2.7) TB x.0 9 PL (10.6) (11.4) (9.8) (9.) (8.0) (0.6 x 1.3) (4.1) TB x.0 10 PL (14.1) (11.4) (9.8) (9.) (8.0) (0.6 x 1.3) (4.) TB x.0 12 PL (16.1) (11.4) (9.8) (9.) (9.7) (0.6 x 1.3) (.4) TB x.0 1 PL (16.0) (13.3) (11.4) (10.3) (9.7) (0.6 x 1.3) (6.8) TB x.0 23 PL (16.9) (13.3) (11.4) (11.1) (13.0) (0.8 x 1.3) (10.4) TB x.0 2 PL11270 (19.3) (17.1) (14.7) (14.6) (9.4) (0.8 x 1.3) (11.3) 6 /10 amp 1 amp 1 1 /4 amps 2 amps 3 2 / 4 amps 4 1 /2 amps 6 1 /4 amps 12 amps Secondary Fuse Kit PL may be substituted for PL thru PL when Primary Fuse Kit is used. See page 8. See chart for integrally mounted fuse block catalog number suffix. ACME ELECTRIC MILWAUKEE, WI acmetransformer.com 9

6 TA & SERIES TB SERIES OPEN OPEN CORE CORE & COIL & COIL INDUSTRIAL CONTROL TRANSFORMERS GROUP B (CONTINUED) 240 X 480, 230 X 460, 220 X 440 PRIMARY VOLTS 120/11/110 SECONDARY VOLTS 1Ø, 0/60 Hz NO. RATING AMPS INCHES (CM.) SHIP WEIGHT FUSE BLOCK FUSE KIT FUSE 120V A B C D E F LBS. (KG.) PART NO. PART NO. 120 VOLTS TA x.0 43 PL11270 PL amps (22.4) (17.1) (14.) (14.6) (14.6) (0.8 x 1.3) (19.) TA x.0 49 PL11270 PL amps (23.) (17.1) (14.) (14.6) (16.2) (0.8 x 1.3) (22.2) TA x PL (22.4) (19.1) (21.2) (16.) (19.1) (1.0 x 2.1) (31.8) TA x PL (19.1) (30.3) (24.1) (17.1) (1.9) (1.0 x 2.1) (6.7) See fusing chart for secondary fuse kits. Integrally Mounted Fuse Blocks Available: (See Chart) GROUP A THROUGH 00 VA GROUP B THROUGH 2000 VA ADD SUFFIX TO CATALOG NO. F2 F3 F4 Consult factory for other sizes available. CONFIGURATION Factory installed integrally mounted 2-pole primary block Factory installed integrally mounted 3-pole primary and secondary block (100 VA & larger) Factory installed 2-pole primary block and secondary fuse clips (0 & 7 VA) GROUP C 240/480/600, 230/460/7, 220/440/0 PRIMARY VOLTS 120/100, 11/9, 110/90 SECONDARY VOLTS 1Ø, 0/60 Hz NO. RATING AMPS INCHES (CM.) SHIP WEIGHT FUSE BLOCK FUSE KIT FUSE 120V A B C D E F LBS. (KG.) PART NO. PART NO. 120 VOLTS TB x.0 4 PL (11.6) (7.6) (6.8) (6.4) (6.6) (0.6 x 1.3) (1.8) TB x.0 4 PL (12.4) (7.6) (6.8) (6.4) (7.1) (0.6 x 1.3) (1.8) TB x.0 PL (13.6) (7.6) (6.8) (6.4) (8.3) (0.6 x 1.3) (2.3) TB x.0 7 PL (12.7) (9.) (8.6) (8.0) (7.8) (0.6 x 1.3) (3.2) TB x.0 11 PL (14.1) (11.4) (9.8) (9.) (8.9) (0.6 x 1.3) (.0) TB x.0 1 PL (16.) (11.8) (10.) (10.3) (10.3) (0.6 x 1.3) (6.8) TB x.0 1 PL (16.) (11.8) (10.) (10.3) (10.3) (0.6 x 1.3) (6.8) TB x.0 21 PL (16.3) (13.3) (11.4) (11.1) (11.6) (0.8 x 1.3) (9.) TB x.0 2 PL11270 (18.3) (17.1) (14.7) (14.6) (9.7) (0.8 x 1.3) (11.3) TB x.0 32 PL11270 (20.2) (17.1) (14.7) (14.6) (11.8) (0.8 x 1.3) (14.) See fusing chart for secondary fuse kits. 6 /10 amp 1 amp 1 1 /4 amps 2 amps 3 2 / 4 amps 4 1 /2 amps 6 1 /4 amps 12 amps TA x.0 47 PL11270 PL amps (24.0) (17.1) (14.) (14.6) (16.2) (0.8 x 1.3) (21.3) TA x.81 PL PL amps (20.1) (19.1) (19.) (16.) (16.7) (1.0 x 2.1) (24.9) TA x.81 7 PL (17.8) (30.3) (22.4) (17.1) (14.6) (1.0 x 2.1) (34.0) TA x PL (19.1) (30.3) (24.1) (17.1) (1.9) (1.0 x 2.1) (49.9) Secondary Fuse Kit PL may be substituted for PL thru PL when Primary Fuse Kit is used. See page 8. See chart for integrally mounted fuse block catalog number suffix. 60 ACME ELECTRIC MILWAUKEE, WI acmetransformer.com

7 TA & SERIES TB SERIES OPEN OPEN CORE CORE & COIL & COIL INDUSTRIAL CONTROL TRANSFORMERS GROUP D 208/240/277/380/480 PRIMARY VOLTS 24 SECONDARY VOLTS 1Ø, 0/60 Hz NO. RATING AMPS INCHES (CM.) SHIP WEIGHT FUSE BLOCK FUSE KIT FUSE SIZE A B C D E F LBS. (KG.) PART NO. PART NO. 24 VOLTS TB x.0 4 PL (10.4) (9.) (8.6) (8.0) (.6) (0.6 x 1.3) (1.8) TB x.0 PL (10.9) (9.) (8.6) (8.0) (.9) (0.6 x 1.3) (2.3) TB x.0 PL (11.) (9.) (8.6) (8.0) (6.7) (0.6 x 1.3) (2.3) TB x.0 9 PL (12.1) (11.4) (9.8) (9.) (7.7) (0.6 x 1.3) (4.1) TB x.0 11 PL (13.3) (11.8) (10.) (10.3) (8.3) (0.6 x 1.3) (.0) TB x.0 18 PL (1.3) (13.3) (11.4) (11.1) (10.2) (0.8 x 1.3) (8.2) TB x.0 19 PL (16.) (13.3) (11.4) (11.1) (10.6) (0.8 x 1.3) (8.6) See fusing chart for secondary fuse kits. 3 2 /10 amp amps 6 1 /4 amps 1 amps 20 amps 30 amps TB x.0 26 PL11270 (18.0) (17.1) (14.7) (14.6) (9.7) (0.8 x 1.3) (11.8) 33 amps TB x.0 33 PL11270 (20.6) (17.1) (14.) (14.6) (11.8) (0.8 x 1.3) (1.0) GROUP E 208/277/380 PRIMARY VOLTS 11/9 SECONDARY VOLTS 1Ø, 0/60 Hz NO. RATING AMPS INCHES (CM.) SHIP WEIGHT FUSE BLOCK FUSE KIT FUSE 11V A B C D E F LBS. (KG.) PART NO. PART NO. 11 VOLTS TB x.0 4 PL (11.0) (7.6) (6.8) (6.4) (6.6) (0.6 x 1.3) (1.8) TB x.0 4 PL (12.0) (7.6) (6.8) (6.4) (7.1) (0.6 x 1.3) (1.8) TB x.0 PL (11.3) (9.) (8.6) (8.0) (6.2) (0.6 x 1.3) (2.3) TB x.0 PL (12.7) (9.) (9.8) (8.0) (7.8) (0.6 x 1.3) (2.3) TB x.0 13 PL (14.4) (11.4) (9.8) (9.) (10.3) (0.6 x 1.3) (.9) TB x.0 18 PL (16.0) (11.8) (10.) (10.3) (12.1) (0.6 x 1.3) (8.2) TB x.0 20 PL (1.8) (13.3) (11.4) (11.1) (11.6) (0.6 x 1.3) (9.1) TB x.0 24 PL11270 (17.3) (17.1) (14.7) (14.6) (9.4) (0.8 x 1.3) (10.9) TB x.0 31 PL11270 (20.2) (17.1) (14.) (14.6) (11.3) (0.8 x 1.3) (14.1) See fusing chart for secondary fuse kits. 6 /10 amp 1 amp 1 1 /4 amps 2 amps 3 1 /2 amps amps 7 amps 12 amps Secondary Fuse Kit PL may be substituted for PL thru PL when Primary Fuse Kit is used. See page 8. See chart for integrally mounted fuse block catalog number suffix. ACME ELECTRIC MILWAUKEE, WI acmetransformer.com 61

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